TSBs

Reprogramming Ford F-Super Duty trucks

March 28, 2025

Some 2020-2021 Ford F-Super Duty trucks equipped with a 6.7L engine may exhibit a low-speed downshift operation concern with automatic engine braking enabled.

Mike Mavrigian

Related To: Mitchell 1

Some 2020-2021 Ford F-Super Duty trucks equipped with a 6.7L engine may exhibit a low-speed downshift operation concern with automatic engine braking enabled. This may be due to the software in the TCM (transmission control module and PCM.

Reprogram the TCM and PCM with the latest available software.

About the Author

Mike Mavrigian | Motor Age Editor

Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.